2010 Equinox 4 cyl Throttle Body Code P2135 - TerrainForum.net: GMC Terrain Forum
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post #1 of 17 (permalink) Old 01-08-2017, 03:14 PM Thread Starter
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2010 Equinox 4 cyl Throttle Body Code P2135

Driving home I had a message engine power reduced, stability tracking turned off. I was able to drive but no faster than 42 mph. Scanned code came up P2135. Did some research and found that the throttle body sensor failed. This puts the car in one mode to drive, 5th gear and higher RPM's. On my car there is no way to just replace the sensor. I ordered an AC Delco throttle body and gasket from Rock Auto for $129. A very easy job to replace.
Loosen hose clamps on the air intake cover and remove. Snap off the plastic engine cover underneath that, Remove the 4 bolts that hold the throttle body in place. Disconnect wiring connector, remove gasket. Replace in opposite order.
Re-learn procedure. Start engine let idle for 3 minutes, turn off for 2 minutes, then idle again for 3 minutes. It may take up to 50 miles for the computer to learn the throttle body. I have since driven 400 miles and car is idling normally and I have no codes.
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post #2 of 17 (permalink) Old 01-08-2017, 04:44 PM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

Great info.

2010 Equinox LTZ<br />4 cyl, FWD, S/R<br />Cardinal Red/Black
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post #3 of 17 (permalink) Old 01-08-2017, 05:23 PM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

Quote:
Originally Posted by rjs0421
Driving home I had a message engine power reduced, stability tracking turned off. I was able to drive but no faster than 42 mph. Scanned code came up P2135. Did some research and found that the throttle body sensor failed. This puts the car in one mode to drive, 5th gear and higher RPM's. On my car there is no way to just replace the sensor. I ordered an AC Delco throttle body and gasket from Rock Auto for $129. A very easy job to replace.
Loosen hose clamps on the air intake cover and remove. Snap off the plastic engine cover underneath that, Remove the 4 bolts that hold the throttle body in place. Disconnect wiring connector, remove gasket. Replace in opposite order.
Re-learn procedure. Start engine let idle for 3 minutes, turn off for 2 minutes, then idle again for 3 minutes. It may take up to 50 miles for the computer to learn the throttle body. I have since driven 400 miles and car is idling normally and I have no codes.
I agree, it is easy. One thing I like about the Terrain is that GM made some DYI stuff easy to access and do.

This Summer i'm going to attempt to do my own Spark Plugs.

Blue 2010 Terrain SLE-1 I4 FWD
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post #4 of 17 (permalink) Old 01-08-2017, 05:30 PM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

When I change the spark plugs i'm going to clean the Thrttle Body too.

Any cleaner GM recommends?

Blue 2010 Terrain SLE-1 I4 FWD
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post #5 of 17 (permalink) Old 01-08-2017, 09:17 PM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

Quote:
Originally Posted by Nick24
When I change the spark plugs i'm going to clean the Thrttle Body too.

Any cleaner GM recommends?
Most just use CRC brand.

<br />2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build Date 1-08-2015&nbsp; * * 20,300 miles
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post #6 of 17 (permalink) Old 01-10-2017, 12:40 AM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

How do you disconnect the wiring connector?
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post #7 of 17 (permalink) Old 01-10-2017, 01:53 PM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

This "drive-by-wire" stuff is troubling to me. In fact, all this 'electric motor' stuff is troubling. They keep replacing all the rugged, time-tested solutions with these electric motors. No more hydraulic steering; electric steering now. No more gas pedal connected to throttle by cable; more electric motors and sensors now.

The old-fashioned systems worked just fine. And when they failed (if they *ever* failed), the failure wasn't catastrophic.

Now, you've got more points of failure, and the components can fail suddenly without warning (except for a chime and a faint message to let you know something *just* happened). Thanks a lot.

I think the engineers are getting carried away with implementing solutions that are only more efficient *on paper*, while also neglecting the cost of these decisions in terms of reliability and, more importantly - driver safety.

2011 Equinox 1LT (new Jan 2011): Summit White / 3.0 L V6 / FWD / Pioneer Stereo / 18" Wheels / 108+k miles (June 2017)

2002 Impala 1LT (new Jun 2002): Summit White / 3.4 L V6 / FWD / Cassette-CD Combo /202+k miles (June 2017)
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post #8 of 17 (permalink) Old 01-10-2017, 02:55 PM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

I don't recommend it for everyone, but I like to use brake cleaner to clean throttle bodies. It's pretty aggressive at cleaning, and it evaporates more quickly than most other stuff I've tried. As it turns out, it's actually in the service manual for some Chrysler and Fords as some how throttle body cleaner can damage a coating on them
I just always had break parts cleaner on hold anyway, and it ended up as my go-to.

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post #9 of 17 (permalink) Old 01-10-2017, 04:29 PM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

Quote:
Originally Posted by Colt Hero
This "drive-by-wire" stuff is troubling to me. In fact, all this 'electric motor' stuff is troubling. They keep replacing all the rugged, time-tested solutions with these electric motors. No more hydraulic steering; electric steering now. No more gas pedal connected to throttle by cable; more electric motors and sensors now.

The old-fashioned systems worked just fine. And when they failed (if they *ever* failed), the failure wasn't catastrophic.

Now, you've got more points of failure, and the components can fail suddenly without warning (except for a chime and a faint message to let you know something *just* happened). Thanks a lot.

I think the engineers are getting carried away with implementing solutions that are only more efficient *on paper*, while also neglecting the cost of these decisions in terms of reliability and, more importantly - driver safety.
Cables to control things are for *elderly* people. Young people want electronics. Kind of like a boom box vs an IPod.

LOL !

The electrical steering was done for improving gas mileage, and drive by wire is probably the same thing - better feedback to know exactly where the throttle is. Unfortunately, we're probably going to see more use of electronics controlling mechanical stuff - like brakes - yikes ! Next will be cameras instead of rear and side-view mirrors. That will take a c-change in drivers actions, but it will probably be nice once people get used to it. Side-view mirrors hurt Cd, and generate noise.




2010 Equinox LTZ<br />4 cyl, FWD, S/R<br />Cardinal Red/Black
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post #10 of 17 (permalink) Old 01-10-2017, 04:36 PM
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Re: 2010 Equinox 4 cyl Throttle Body Code P2135

Quote:
Originally Posted by Buggsy
I don't recommend it for everyone, but I like to use brake cleaner to clean throttle bodies. It's pretty aggressive at cleaning, and it evaporates more quickly than most other stuff I've tried. As it turns out, it's actually in the service manual for some Chrysler and Fords as some how throttle body cleaner can damage a coating on them
I just always had break parts cleaner on hold anyway, and it ended up as my go-to.
I would have to strongly disagree with this. Brake cleaner has the most potential to ruin the coating on the throttle body. I agree with JayT, I've used CRC brand throttle body cleaner for my 2011 2.4l.


Jeff from Iowa, Purchased 2011 Nox in Nov. 2016, Manufacture date 10-10, 2.4l, AWD
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